Horsehead IC434 and Flame NGC2024 (Aleix Roig)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 50 zet Ori · Alnitak · B33 · Flame Nebula · Horsehead nebula · IC 431 · IC 432 · IC 434 · NGC 2023 · NGC 2024 · Orion B · Sh2-277 · The star Alnitak (ζOri) · VdB51

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Horsehead IC434 and Flame NGC2024

Link: https://flic.kr/p/2kP9s7b

Link to TIFF/FITS: https://flic.kr/p/2kP9s7b

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Horsehead IC434 and Flame NGC2024

Link: https://flic.kr/p/2kP9s7b

Link to TIFF/FITS: https://flic.kr/p/2kP9s7b

The Horsehead Nebula, IC434, and the Flame Nebula NGC2024, are two amazing targets of the winter sky (northern hemisphere). Due to the high brightness of Alnitak it's quite difficult to get some decent results in this field. This was one of the reasons that made me escape from that bright star in my past pictures of this region.

The Orion constellation is full of amazing nebulae. Most of them are part of the same dusty cloud, mainly composed of ionized hydrogen that emits really strong in the H alpha spectral line. The use of narrow band filters allows us to detect all these emissions. This image shows the area that surrounds the Horsehead Nebula full of molecular clouds from the Orion Molecular Cloud Complex.

This image is the "second light" of my new ASI294MM-Pro. I have chosen this target, including Alnitak, due to the difficulty of capturing this bright star in terms of reflections and microlensing effects.

Natural color version.

Image details:

L: 37x120"

RGB: (R: 14, G:31, B:30) x120"

Ha: 74x300"

All images at Gain 120 and Bin2

50 darks, 50 bias, 50 flats

Total exposure: 9h26'

Equipment:

FSQ85

Mesu 200

ASI294MM-Pro + ZWO OAG with ASI174MC + ZWO EFW 8 pos, Baader filters

Software:

SGP, PHD2, APP, Pixinsight.

Prades - Catalonia, Spain. March 2021.

Cloudy Nights

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Status	Advanced success
Started	...
Astrometry.net job	4347072
PixInsight job	Z8DRNHL93OBT8TCX4B3393J279NB0A3M
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h41m00s.12
RA (top/left)	05h39m13s.50
RA (top/right)	05h39m09s.64
RA (bottom/right)	05h42m47s.31
RA (bottom/left)	05h42m50s.48

Dec (center)	-02°06′51″.1
Dec (top/left)	-01°26′25″.3
Dec (top/right)	-02°46′43″.7
Dec (bottom/right)	-02°47′15″.9
Dec (bottom/left)	-01°26′57″.7

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Horsehead IC434 and Flame NGC2024

Horsehead IC434 and Flame NGC2024

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Horsehead IC434 and Flame NGC2024

Horsehead IC434 and Flame NGC2024

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